Equation in Standard Form

= 1 where b² = a²(e² − 1).

(a) Centre (0, 0)

(b) foci (±ae, 0)

(c) Directrices are x = ± a/e

(d) Vertices are (±a, 0)

(e) Equation of transverse axis is y = 0. Length of transverse axis = 2a

(f) Equation of conjugate axis is x = 0, length of conjugate axis is 2b.

(g) Length of Latus Rectum is 2b²/a.